On the Microstructure Homogeneity of AA6061 Alloy After Cross-Shear Deformations

Young Gun Ko; Kotiba Hamad

doi:10.1002/adem.201700152

On the Microstructure Homogeneity of AA6061 Alloy After Cross-Shear Deformations

Young Gun Ko
, Kotiba Hamad

Department of Advanced Materials Science and Engineering

Yeungnam University

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

This work is presented to investigate the homogeneity of microstructures evolved after cross-shear deformations imposed by a differential speed rolling (DSR) process. For this purpose, transmission electron microscopy (TEM) microstructures and through-thickness hardness maps of AA6061 aluminum alloy samples deformed by the DSR process are investigated. The results reveal the evolution of ultrafine grained structures (≈0.3 µm) after DSR deformation. Additionally, it is found that the through-thickness homogeneity is clearly improved as the number of the cross-shear increases.

Original language	English
Article number	e201700152
Journal	Advanced Engineering Materials
Volume	19
Issue number	6
DOIs	https://doi.org/10.1002/adem.201700152
State	Published - Jun 2017

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abstract = "This work is presented to investigate the homogeneity of microstructures evolved after cross-shear deformations imposed by a differential speed rolling (DSR) process. For this purpose, transmission electron microscopy (TEM) microstructures and through-thickness hardness maps of AA6061 aluminum alloy samples deformed by the DSR process are investigated. The results reveal the evolution of ultrafine grained structures (≈0.3 µm) after DSR deformation. Additionally, it is found that the through-thickness homogeneity is clearly improved as the number of the cross-shear increases.",

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AB - This work is presented to investigate the homogeneity of microstructures evolved after cross-shear deformations imposed by a differential speed rolling (DSR) process. For this purpose, transmission electron microscopy (TEM) microstructures and through-thickness hardness maps of AA6061 aluminum alloy samples deformed by the DSR process are investigated. The results reveal the evolution of ultrafine grained structures (≈0.3 µm) after DSR deformation. Additionally, it is found that the through-thickness homogeneity is clearly improved as the number of the cross-shear increases.

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On the Microstructure Homogeneity of AA6061 Alloy After Cross-Shear Deformations

Abstract

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